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chemistry
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20
What is the common name for 'Calcium Sulfate Hemihydrate'?
medium
chemistry
gk
science
ssc
View
Which gas is used for the artificial ripening of green fruits?
medium
biology
chemistry
science
ssc
View
Which gas is used in fire extinguishers to put out fires?
easy
basics
chemistry
safety
science
View
The pH value of pure water is approximately:
easy
basics
chemistry
science
water
View
Which chemical compound is known as 'Dry Ice'?
easy
basics
chemistry
co2
science
View
Which acid is present in ant stings?
easy
basics
biology
chemistry
science
View
Which chemical element is represented by the symbol 'Fe'?
easy
basics
chemistry
elements
science
View
The ratio of copper and zinc in a brass alloy is 13 : 7. How much zinc will be there in 100 kg of the alloy?
easy
alloy
chemistry
mathematics
ratio
View
Which acid is present in lemon?
easy
chemistry
gk
science
ssc
View
Which of the following is the hardest natural substance on Earth?
easy
chemistry
gk
science
ssc
View
Which of the following is used in pencils?
easy
chemistry
gk
science
ssc
View
Which gas is released when bleaching powder is added to water?
medium
chemistry
gk
science
ssc
View
What is the common name for 'Sodium Bicarbonate'?
easy
chemistry
gk
science
ssc
View
Which of the following acids is present in a 'Lemon'?
easy
biology
chemistry
science
ssc
View
What is the chemical symbol for 'Gold'?
easy
chemistry
gk
science
ssc
View
What is the main component of 'Natural Gas'?
medium
chemistry
energy
science
ssc
View
What is the PH value of pure water at 25°C?
easy
chemistry
gk
science
ssc
View
What is the process of conversion of solid directly into gas called?
medium
chemistry
gk
science
ssc
View
What is the PH of the human stomach acid?
medium
biology
chemistry
science
ssc
View
Which gas is known as 'Laughing Gas'?
easy
chemistry
gk
science
ssc
View